Re: CONFIG_PCIEASPM breaks PCIe on Marvell Armada 385 machine

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On 01/11/2017 11:02 PM, Bjorn Helgaas wrote:
> Hi Uwe,
> 
> On Wed, Jan 11, 2017 at 08:49:46PM +0100, Uwe Kleine-König wrote:
>> Hello,
>>
>> on an Marvell Armada 385 based machine (Turris Omnia) with 4.9 the
>> ath10k driver fails to bind to the matching hardware if CONFIG_PCIEASPM
>> is enabled:
>>
>> [...]
> We have several open issues related to ASPM:
> 
>   https://bugzilla.kernel.org/show_bug.cgi?id=102311 ASPM: ASMEDA asm1062 not working
>   https://bugzilla.kernel.org/show_bug.cgi?id=187731 Null pointer dereference in ASPM
>   https://bugzilla.kernel.org/show_bug.cgi?id=189951 Enabling ASPM causes NIC performance issue
>   https://bugzilla.kernel.org/show_bug.cgi?id=60111 NULL pointer deref in ASPM alloc_pcie_link_state()
> 
> I don't recognize yours as being one of these.  Can you open a new
> issue and attach the complete dmesg log and "lspci -vv" output?

Done: https://bugzilla.kernel.org/show_bug.cgi?id=192441

> Is this a regression?

As written in the bug report this also happens on 4.7.

Best regards
Uwe


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